Samsung Electronics Co., Ltd.

Jaehyun Hwang

Seongryong Kang

Sangheon Lee

Daejoong Kim

Giwon Lee

Kyuho Han

Jinho Lee

Jinhyoung Kim

Hyunjoo Lee

Hakyung Jung

Moonyoung Jeong

Sooyoung Jang

Youngsung Kho

Joonseo Lee

Jungah Choi

Sangkyu Baek

Jin Woo Park

Chiwoo Lim

Kangeun Lee

Youngsuk Sun

Jonghyune Kim

Namkoo Kang

Junghwan Lim

The present disclosure relates to a pre-5-Generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4-Generation (4G) communication system such as long-term evolution (LTE). Disclosed is radio access technology (RAT) switching in a wireless communication system, and an operating method of a server for managing a session comprises the steps of: receiving information related to a determination on the switching of a RAT; determining, on the basis of the information, whether the RAT for providing a service to a terminal is switched from a first RAT to a second RAT; and transmitting, to an object for processing a user plan, a message indicating that a data route of the terminal will be switched from the first RAT to the second RAT.

Apparatus and method for switching wireless access technology in wireless communication system

The present disclosure relates to a 5generation (5G) or pre-5G communication system for supporting a higher data transmission rate beyond a 4generation (4G) communication system such as long-term evolution (LTE). The present disclosure relates to beam management in a wireless communication system, and an operation method of a base station may comprise the steps of: transmitting first type reference signals; receiving feedback information on the first type reference signals; transmitting information on resources for second type reference signals, which are allocated on the basis of the feedback information, to at least one terminal; and transmitting the second type reference signals through the resources, wherein the second type reference signals are transmitted using fixed transmission beams by the base station. The present research has been conducted with the support of the 'cross-departmental giga KOREA project' of the government (the ministry of science and ICT) in 2017 (No. GK17N0100, Development for mmWave-based 5G mobile communication system).

Device and method for beam management in wireless communication system

Provided is a method of establishing a session for communication with a local network in a wireless communication system, the method including obtaining a request for using an integrated mode in which a user plane entity of a base station uses an integrated user plane entity that performs an operation of a user plane function (UPF) together, when a session between a local network and a user equipment (UE) is established, determining based on user information of the UE whether to accept use of an integrated mode, selecting the integrated user plane entity as a user plane entity in which the session is to be established, based on a result of the determining, and transmitting a session establishment request to the selected integrated user plane entity.

Method, apparatus and system for establishing session for communication with local network in wireless communication system

The present disclosure relates to a communication technique for converging an IoT technology with a 5G communication system for supporting a higher data transmission rate beyond a 4G system, and a system therefor. The present disclosure may be applied to an intelligent service (for example, a smart home, a smart building, a smart city, a smart car or connected car, healthcare, digital education, retail business, a security and safety related service, or the like) on the basis of a 5G communication technology and an IoT related technology. Disclosed are an apparatus for transmitting data through at least one of a first path and a second path, and a method therefor. A method for an apparatus according to an embodiment of the present invention may comprise the steps of: identifying the size of data transmittable through a first path during a reference time for a second path; comparing the identified data size with the buffer size of a reception device; and determining a transmission mode on the basis of a result of the comparison, and transmitting the data to the reception device according to the determined transmission mode.

Method and apparatus for transmitting data in wireless communication system

Disclosed is a 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G communication system such as an LTE. A transmitting device supporting a plurality of radio links in a mobile communication network is provided. The transmitting device includes a packet distributor configured to receive feedback information on a plurality of links from a receiving device and distribute packets to the plurality of links based on the feedback information, and output ports corresponding to the plurality of links and configured to transmit the distributed packets through the plurality of links.

Method and apparatus for distributing packets on multi-link in mobile communication network

The present disclosure relates to a communication method and system therefor for combining a 5G communication system, for supporting higher data transmission rates beyond a 4G system, with IoT technology. The present disclosure can be applied, on the basis of 5G communication and IoT-related technologies, to intelligent services such as services related to a smart home, smart building, smart city, smart or connected car, health care, digital education, small businesses, security and safety. The communication method using multilinks in a wireless communication system according to a variety of embodiments of the present disclosure comprises the steps of: acquiring multilink control data; distributing transmission data to each link on the basis of the multilink control data; and transmitting, simultaneously or selectively, the distributed transmission data to each link. The embodiments are not limited to the above and other embodiments are possible.

Method and apparatus for transmitting and receiving data using multilinks in wireless communication system

Disclosed are a method and apparatus for controlling data transmission rate in a wireless communication system. The method for controlling transmission rate of a server according to the present invention comprises the steps of: determining an uplink transmission data rate of a first packet received from a terminal; transmitting a first parameter for controlling to increase the uplink transmission data rate; determining whether the uplink transmission data rate of a second packet received based on the first parameter increases; and transmitting a second parameter for controlling change of the uplink transmission data rate based on the determination result.

Method and apparatus for controlling data transmission speed in wireless communication system

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method of a proxy device in a communication system of the present disclosure includes identifying a packet loss rate on a wireless connection between a terminal and a server, determining whether the packet loss rate is greater than a predetermined threshold value, and proxying, if the packet loss rate is greater than the threshold value, the connection between the terminal and the server.

TCP proxy device-assisted communication method and apparatus in wireless communication

The present disclosure relates to a communication method and a system for converging a 5th-generation (5G) communication system for supporting higher data rates beyond a 4th-generation (4G) system with a technology for internet of things (IoT). The disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method of a communication apparatus includes determining an acknowledgement (ACK) transmission frequency for each flow, based on a state of a transmission control protocol (TCP) transmitter, identifying whether uplink resources are insufficient, selecting a flow for adjustment of the ACK transmission frequency when the uplink resources are insufficient, and adjusting the ACK transmission frequency of the selected flow.

Method and apparatus for transmitting TCP ACK in communication system

A network assignment method of a gateway in a wireless communication system including a first communication network and a second communication network is provided. The method includes receiving, when a terminal is connected to the first communication network, a create session request message from a second mobility management entity associated with a second base station operating the second communication network, allocating second attach information for establishing a bearer between the gateway and the second base station based on first attach information generated for connection to the first communication network, and transmitting a create session response message including the second attach information to the second mobility management entity in response to the create session request message.

Gateway, network assignment method of gateway, MME, network assignment method of MME, terminal, and network connection method of terminal in wireless communication system

Growing community of inventors

Anyang-si, South Korea

Jaehyun Hwang